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A three foot difference in the depth to groundwater from the seasonal <br /> groundwater levels in two or more piezometers as observed in the previous years <br /> monthly measurements for two consecutive months. <br /> Broken Arrow Investments, LLC proposes that the groundwater elevations be monitored <br /> through onsite wells before, during, and after the mining and reclamation is complete so <br /> that impacts to the groundwater table, from this mining operation, can be identified and <br /> addressed. It is the intent of Broken Arrow Investments, LLC to operate responsibly and <br /> to mitigate damages to wells that are directly attributable to the mining and reclamation <br /> of this site. For more specific information please refer to the well owner agreements and <br /> narrative included in Exhibit G. <br /> Reclamation —Approximate Time Table <br /> The proposed rate of production for the mine is 300,000 to 600,000 tons per year. The <br /> total time frame to mine every phase is approximately 12 to 24 years which allows for <br /> years where the 300,000 to 600,000 tons per year production rate is less. The following <br /> table shows the approximate time frame to finish each phase of mining: <br /> Mine Phase and Acreage Time Frame to Complete and <br /> Reclaim Phase <br /> Phase 1 —6.92 acres 2 years and 7 months <br /> Phase 2 —6.81 acres 2 years and 7 months <br /> Phase 3 — 8.21 acres 3years and 3 months <br /> Phase 4 — 9.90 acres 3 years and 10 months <br /> Phase 5 — 16.71 acres 4 years and 8 months <br /> Phase 6 — 11.69 acres 3 years and 3 months <br /> Phase 7 — 14.71 acres 4 years and 1 months <br /> The assumed maximum production rate is 300,000 to 600,000 tons for processed <br /> material leaving the mine each year. An average production rate of 300,000 tons per <br /> year was used to calculate the reclamation time table. The size and area of reclamation <br /> varies for each phase but generally consists of the outside mining slope being reclaimed <br /> at a 3HAV slope with the addition of overburden, topsoil, and revegetation. For more <br /> information on sequencing and size of the reclamation activities refer to Exhibit L <br /> financial warranty calculations. <br /> Reclamation Plan and Alternate Reclamation Plan <br /> The reclamation plan attached in Exhibit F depicts the reclaimed reservoir(s) with an <br /> existing oil/gas well in the center of the reservoir with setbacks recommended per the <br /> existing slope stability study, for the area that was originally permitted, that will be <br /> implemented if an agreement with the oil/gas companies cannot be reached to re-locate <br /> the existing well. All the additional areas in the amendment will not be mined within 200 <br /> feet until an agreement with the oil/gas companies, property owner(s), or utility owner(s) <br /> can be executed or a slope stability analysis can be performed if an agreement cannot <br /> Derr Pit Project <br /> UT Consulting, Inc. DRMS 112 Permit <br />